Improvement in plug-cutter



MELVIN JINCKS, OF WALLACE; NIEW YORK,

Letters Patent No. 94,416, dated August 31, 1869.

IMPROVEMENT IN PLUG-CUTTER The Schedule referred to in these LettersPatent and making part of the lame.

To all whom it may concern:

Be it known that I, MELVIN J mens, of Wallace,

I in the county of Steuben, and State of New York, have invented certainnew and useful Improvements in Bit and Plug-0utters; and I do herebydeclare that the following is a full, clear, and exact descriptionthereof,

reference being had to the accompanying drawings,

and to the letters of reference marked thereon, which form a part ofthis specification,

The nature of' my invention consists in the construction and arrangementof a bit and plug-cutter, as will `he hereinafter fully set forth.

In order to enable others skilled in the art to which my inventionappertains, to make and use the same,

The screw al, at the same time, secures the adjustable guide B to theh'ead A.

This guide, the peculiar shape of which is shown in fig. 1, is slotted,and through this slot the screw a1 is passed into the, head A, so thatthe guide can he moved up and down at pleasure.

On the opposite side from the guide-B, the cutter D is secured to thehead A, by means of the screw a, which cutter marks and cuts thecircumference of the hole. i

Having tb us' fully described my invention,

What I claim as new, and desire to secure by Letters Patent, is

The combination of the bit-stock A, bit b, adjust able guide B, `andcutter '.D, all'constructed and arranged substantially as shfownhanddescribed. i

In testimony that I claim the foregoing as my own, I afix my signature',in presence of two witnesses.

MELVIN J IN GKS.

Witnesses:

C. R. Kumi, J con Y. GILDER.

